1976 tv film

A man who owns a diamond importing business goes out for a night on the town with his girlfriend, her brother and her brother’s fiancé. The group stops by a circus to see the act of a trapeze artist who’s a friend of the man’s girlfriend. The performer suggests that all the men go out for a few drinks, and the next thing the businessman knows, he’s waking up in his apartment with a terrible hangover and a dead body in his room.

Leopold, head waiter at the "Weißen Rössl" (White Horse Inn), is secretly in love with the owner of the restaurant, Josepha. But she's only interested in the lawyer Dr. Siedler. Jealous, Leopold comes up with a plan to gain Josepha's attention.